Doniphan, Nebraska has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.1 °C (low) to 16.8 °C (high). Annual precipitation averages 711.2 Millimeters. Doniphan is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.4 °C | 1.8 °C | 14.48 mm |
| February | -7.6 °C | 3.9 °C | 19.3 mm |
| March | -2.4 °C | 10.7 °C | 34.29 mm |
| April | 3.3 °C | 16.6 °C | 73.15 mm |
| May | 9.6 °C | 22.2 °C | 119.38 mm |
| June | 15.6 °C | 28.2 °C | 100.58 mm |
| July | 18.1 °C | 30.5 °C | 91.44 mm |
| August | 16.8 °C | 29.3 °C | 95.25 mm |
| September | 11.6 °C | 25.7 °C | 56.13 mm |
| October | 4.3 °C | 18.6 °C | 53.59 mm |
| November | -2.7 °C | 10.5 °C | 30.99 mm |
| December | -7.8 °C | 3.6 °C | 22.61 mm |
| Annual | 4.1 °C | 16.8 °C | 711.19 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |